CN209818474U - Adjustable positioning pin - Google Patents

Abstract

The utility model discloses an adjustable locating pin, including the locating pin axle, the lower extreme of locating pin axle is provided with the slider, the outside of the inside locating pin axle of slider is provided with the through-hole, the outside of slider is provided with unable adjustment base, unable adjustment base's the outer end of inside slider is provided with the spout, unable adjustment base's front end is provided with fixed limiting plate, the front end surface of fixed limiting plate is provided with fixation nut, unable adjustment base, fixation limiting plate's inside fixation nut's rear end is provided with the screw thread fixed slot, the inside of screw thread fixed slot is provided with the threaded rod. Adjustable locating pin, the slider that can drive the connecting rod rear end gos forward or retreats to change the position of the inside locating pin axle of slider, solved the problem of the difficult adjustment after traditional locating pin axle position is fixed, the operation is fairly simple, better use prospect will be brought to this kind of locating pin.

Description

Adjustable positioning pin

Technical Field

The utility model relates to a locating pin field, in particular to adjustable locating pin.

Background

The positioning pin takes a workpiece hole as a positioning reference, is a part participating in limiting the freedom degree of an object, controls the linear motion of an object in three axial directions of X, Y, Z, and controls six freedom degrees of the rotational motion around X, Y, Z, and is a part participating in limiting the freedom degree of the object, and has certain application in some mechanical motion equipment, when a machine body is formed by connecting a plurality of parts, and each part needs to keep an accurate position during processing and assembling, the positioning pin is adopted for positioning, for example, a split box body consists of a cover and a base, and the processing of a bearing hole on the split box body has higher precision requirement, so that two positioning pins far away from each other are arranged on a split surface during design so as to ensure the processing and assembling precision of the split box body; the conventional positioning pin has some disadvantages that the positioning pin cannot be moved after the initial positioning and is inconvenient to take out, and in order to solve the above problems, we propose such an adjustable positioning pin.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides adjustable locating pin, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

adjustable locating pin, including the locating pin axle, the lower extreme of locating pin axle is provided with the slider, the outside of the inside locating pin axle of slider is provided with the through-hole, the outside of slider is provided with unable adjustment base, unable adjustment base's inside slider's outer end is provided with the spout, unable adjustment base's front end is provided with fixed limiting plate, the front end surface of fixed limiting plate is provided with fixation nut, unable adjustment base, fixed limiting plate's inside fixation nut's rear end is provided with the screw thread fixed slot, the inside of screw thread fixed slot is provided with the threaded rod, the front end of threaded rod is provided with the screw head, the inside of screw head is provided with the hexagon socket head draw-in groove, the front end of the rear end slider.

Preferably, the through hole is fixedly connected with the inner surface of the sliding block, the positioning pin shaft penetrates through the through hole, the outer surface of the positioning pin shaft is fixedly connected with the inner surface of the sliding block through the through hole, and the outer diameter of the threaded rod is the same as the inner diameter of the thread fixing groove.

Preferably, the sliding groove is fixedly connected with the inner surface of the fixed base, the outer surface of the sliding block is movably connected with the inner surface of the fixed base through the sliding groove, and the outer surface of the rear end of the fixed limiting plate is fixedly connected with the outer surface of the front end of the fixed base.

Preferably, the rear end outer surface of the fixing nut is fixedly connected with the front end outer surface of the fixing limiting plate, the fixing nut is hexagonal, and the length of the sliding groove is the same as that of the sliding block.

Preferably, the screw thread fixed slot all with unable adjustment base, fixed limiting plate fixed connection, the surface of threaded rod all passes through the internal surface swing joint of screw thread fixed slot and unable adjustment base, fixed limiting plate, the front end surface of connecting rod and the rear end external surface fixed connection of threaded rod, the front end surface of slider and the rear end external surface fixed connection of connecting rod, the rear end surface of screw head and the front end external surface fixed connection of threaded rod, the front end of interior hexagonal draw-in groove is provided with the hexagonal spanner.

Preferably, the interior fixed surface of hexagon socket head cap draw-in groove and screw head is connected, the front end surface of slider and the rear end surface swing joint of fixed limiting plate, the surface of threaded rod and fixation nut's interior surface swing joint, threaded rod, connecting rod, screw head are stainless steel material.

Compared with the prior art, the utility model discloses following beneficial effect has: this adjustable locating pin, fix the slider at unable adjustment base's rear through connecting rod and threaded rod, rotate in inserting hexagon socket head cap spanner into hexagonal draw-in groove, it is rotatory to make connecting rod and threaded rod, the slider that can drive the connecting rod rear end advances or retreats, thereby change the position of the inside locating pin axle of slider, when the slider gos forward, the slider can take the locating pin axle to enter into the spout, make the locating pin axle be close to unable adjustment base, play spacing effect to the slider through fixed limiting plate, prevent slider roll-off spout, the problem of being difficult for the adjustment after traditional locating pin axle position fixing has been solved, the operation is simpler, and is relatively practical, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of the adjustable positioning pin of the present invention;

fig. 2 is a partial view of the adjustable locating pin of the present invention;

fig. 3 is a partial exploded view of the adjustable positioning pin of the present invention.

In the figure: 1. positioning a pin shaft; 2. a through hole; 3. a slider; 4. a fixed base; 5. fixing a nut; 6. a connecting rod; 7. a chute; 8. fixing a limit plate; 9. a screw head; 10. an inner hexagonal clamping groove; 11. a threaded rod; 12. and (4) a thread fixing groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an adjustable positioning pin comprises a positioning pin shaft 1, a slider 3 is arranged at the lower end of the positioning pin shaft 1, a through hole 2 is arranged at the outer side of the inner positioning pin shaft 1 of the slider 3, a fixing base 4 is arranged at the outer side of the slider 3, a chute 7 is arranged at the outer end of the inner slider 3 of the fixing base 4, a fixing limiting plate 8 is arranged at the front end of the fixing base 4, a fixing nut 5 is arranged on the outer surface of the front end of the fixing limiting plate 8, a thread fixing groove 12 is arranged at the rear end of the inner fixing nut 5 of the fixing base 4, a threaded rod 11 is arranged inside the thread fixing groove 12, a screw head 9 is arranged at the front end of the threaded rod 11, an inner hexagonal clamping groove 10 is arranged inside the screw head 9, and.

The through hole 2 is fixedly connected with the inner surface of the sliding block 3, the positioning pin shaft 1 penetrates through the through hole 2, the outer surface of the positioning pin shaft 1 is fixedly connected with the inner surface of the sliding block 3 through the through hole 2, the outer diameter of the threaded rod 11 is the same as the inner diameter of the thread fixing groove 12, and the positioning pin shaft 1 can be fixed inside the sliding block 3 through the through hole 2; the sliding chute 7 is fixedly connected with the inner surface of the fixed base 4, the outer surface of the sliding block 3 is movably connected with the inner surface of the fixed base 4 through the sliding chute 7, the positioning pin shaft 1 can be driven to move through the sliding block 3, the outer surface of the rear end of the fixed limiting plate 8 is fixedly connected with the outer surface of the front end of the fixed base 4, and the sliding block 3 can be prevented from sliding out of the sliding chute 7 through the fixed limiting plate 8; the outer surface of the rear end of the fixing nut 5 is fixedly connected with the outer surface of the front end of the fixing limit plate 8, the threaded rod 11 can be fixed through the fixing nut 5, the fixing nut 5 is hexagonal, and the length of the sliding chute 7 is the same as that of the sliding block 3; the thread fixing grooves 12 are fixedly connected with the fixing base 4 and the fixing limiting plate 8, the outer surface of the threaded rod 11 is movably connected with the inner surfaces of the fixing base 4 and the fixing limiting plate 8 through the thread fixing grooves 12, the position of the threaded rod 11 can be changed through the thread fixing grooves 12, the outer surface of the front end of the connecting rod 6 is fixedly connected with the outer surface of the rear end of the threaded rod 11, the outer surface of the front end of the sliding block 3 is fixedly connected with the outer surface of the rear end of the connecting rod 6, the outer surface of the rear end of the screw head 9 is fixedly connected with the outer surface of the front end of the threaded rod 11, the front end of the inner hexagonal clamping groove 10 is; hexagon socket head cap draw-in groove 10 is connected with the internal surface fixed connection of screw head 9, the front end surface of slider 3 and the rear end surface swing joint of fixed limiting plate 8, the surface of threaded rod 11 and the internal surface swing joint of fixation nut 5, threaded rod 11, connecting rod 6, screw head 9 are stainless steel material, and stainless steel material can make threaded rod 11, connecting rod 6, screw head 9 more durable.

It should be noted that, the utility model discloses an adjustable locating pin, the user will rotate in inserting hexagon spanner in the inside hexagon socket head cap groove 10 of screw head 9, it is rotatory to make connecting rod 6 and threaded rod 11, can drive slider 3 of connecting rod 6 rear end and advance or retreat, thereby change the position of 3 inside positioning pin axles 1 of slider, when slider 3 gos forward, slider 3 can take positioning pin axle 1 to enter into spout 7 in, make positioning pin axle 1 be close to unable adjustment base 4, fixed limiting plate 8 through 4 front ends of unable adjustment base plays spacing effect to slider 3, prevent 3 roll-off spouts 7 of slider, can fix positioning pin axle 1 in the inside of slider 3 through-hole 2, can be fixed threaded rod 11 through thread fixed slot 12, traditional locating pin has surpassed on the use prospect, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Adjustable locating pin, including locating pin axle (1), its characterized in that: the lower end of the positioning pin shaft (1) is provided with a sliding block (3), the outer side of the inner positioning pin shaft (1) of the sliding block (3) is provided with a through hole (2), the outer side of the sliding block (3) is provided with a fixed base (4), the outer end of the inner sliding block (3) of the fixed base (4) is provided with a sliding chute (7), the front end of the fixed base (4) is provided with a fixed limiting plate (8), the outer surface of the front end of the fixed limiting plate (8) is provided with a fixed nut (5), the rear ends of the fixed base (4) and the fixed nut (5) of the fixed limiting plate (8) are provided with a thread fixing groove (12), the inner part of the thread fixing groove (12) is provided with a threaded rod (11), the front end of the threaded rod (11) is provided with a screw head (9), the inner hexagonal, the front end of the rear end sliding block (3) of the threaded rod (11) is provided with a connecting rod (6).

2. The adjustable locating pin of claim 1, wherein: the inner surface of the through hole (2) is fixedly connected with the inner surface of the sliding block (3), the positioning pin shaft (1) penetrates through the through hole (2), the outer surface of the positioning pin shaft (1) is fixedly connected with the inner surface of the sliding block (3) through the through hole (2), and the outer diameter of the threaded rod (11) is the same as the inner diameter of the thread fixing groove (12).

3. The adjustable locating pin of claim 1, wherein: the inner surface of the sliding groove (7) is fixedly connected with the fixed base (4), the outer surface of the sliding block (3) is movably connected with the inner surface of the fixed base (4) through the sliding groove (7), and the outer surface of the rear end of the fixed limiting plate (8) is fixedly connected with the outer surface of the front end of the fixed base (4).

4. The adjustable locating pin of claim 1, wherein: the rear end surface of fixation nut (5) and the front end surface fixed connection of fixed limiting plate (8), fixation nut (5) are the hexagon, the length of spout (7) is the same with the length of slider (3).

5. The adjustable locating pin of claim 1, wherein: screw thread fixed slot (12) all with unable adjustment base (4), fixed limiting plate (8) fixed connection, the surface of threaded rod (11) all is through the internal surface swing joint of screw thread fixed slot (12) with unable adjustment base (4), fixed limiting plate (8), the front end surface of connecting rod (6) and the rear end external fixed surface of threaded rod (11) are connected, the front end surface of slider (3) and the rear end external fixed surface of connecting rod (6) are connected, the rear end surface of screw head (9) and the front end external fixed surface of threaded rod (11) are connected, the front end of interior hexagonal draw-in groove (10) is provided with the hexagonal spanner.

6. The adjustable locating pin of claim 1, wherein: interior hexagonal draw-in groove (10) is connected with the internal surface fixed connection of screw head (9), the front end surface of slider (3) and the rear end surface swing joint of fixed limiting plate (8), the surface of threaded rod (11) and the internal surface swing joint of fixation nut (5), threaded rod (11), connecting rod (6), screw head (9) are stainless steel material.